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Object
Object

Gravitron Main Tape Programme

Critical diagnostic tool for the Gravitron’s gravity control systems, distinct from character-specific symptoms or environmental elements; represents Hobson’s technical response to the Moonbase’s malfunction.
2 appearances

Purpose

Runs full diagnostic protocol to test and identify faults in the Gravitron's gravity control systems

Significance

Represents Hobson's decisive pivot to exhaustive repair efforts after rejecting shutdown, heightening tension as the Cybermen-orchestrated weather crisis threatens Earth and intertwines with the Moonbase outbreak

Appearances in the Narrative

When this object appears and how it's used

2 moments
S4E24 · The Moonbase Part 2
Gravitron failure reveals Earth’s crisis

The Main Tape Programme is a comprehensive diagnostic procedure initiated by Hobson to identify and resolve the gravitron's fault. It represents the team's last resort after partial fixes and probe tests fail to isolate the issue. The programme's execution is urgent and high-stakes, as the team races against the 24-hour deadline to restore stability to Earth's weather and prevent global collapse. Its role in the event is both technical (diagnosing the fault) and symbolic (representing the team's desperate effort to avert disaster).

Before: Not yet executed, but identified as the next step in the diagnostic process after the probe and potentiometer tests.
After: Initiated by Hobson and the team, with the goal of running a full class A test to identify and resolve the gravitron's fault.
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S4E24 · The Moonbase Part 2
Gravitron crisis escalates to shutdown debate

The main tape programme is the comprehensive diagnostic protocol Hobson orders the team to run after Rinberg forbids shutting down the gravitron. It represents a shift from reactive troubleshooting to a structured, systematic analysis of the system’s failures. The programme’s execution is a last resort, reflecting the team’s desperation as they exhaust all other options. Its role underscores the institutional and technical stakes of the crisis, as the team races against time to avert global catastrophe.

Before: Unused but available as a final diagnostic measure. Its potential to uncover the gravitron’s fault is the team’s last hope.
After: Activated and running, with the team preparing to analyze its results. The programme’s success or failure will determine the fate of the gravitron—and Earth.
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